JK

Joseph J. Kostelnick

BL Bell Telephone Laboratories: 1 patents #567 of 1,445Top 40%
📍 Bethlehem, PA: #631 of 1,038 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,125,976 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4240049 Waveguide junction circulator having spurious mode absorbing means — 1980-12-16